Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 15) <br /> Analytical 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX (510) 686 9689 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Canonie Environmental Client Project ID 94-348, San Joaquin C C <br /> 1710 Main Street Matrix Liquid <br /> Escalon, CA 95320 <br /> Attention Greg Stahl Work Order# 9502146 -01 Reported Feb 16, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GCO20795BTEX20A GCO20795BTEX20A GCO20795BTEX20A GCO20795BTEX20A <br /> Analy Method. EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method- EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD #: 9501F00o1 9501F0001 9501F0001 9501F0001 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 2/7/95 2/7/95 2/7/95 2/7/95 <br /> Analyzed Date 2/7/95 2/7/95 2/7/95 2/7/95 <br /> Instrument I D#. GCHP20 GCHP20 GCHP20 GCHP20 <br /> Conc Spiked 10yg/L 10ug/L 10ug/L 30ug/L <br /> Result 10 10 10 31 <br /> . MS %Recovery 100 100 100 103 <br /> Dup Result 10 10 10 31 <br /> MSD% Recov 100 100 100 103 <br /> RPD, 00 00 00 00 <br /> RPD Limit 0.50 0-50 0-50 0-50 <br /> LCS# - - <br /> Prepared Date - <br /> Analyzed Date - - <br /> Instrument I D # - <br /> Conc. Spiked - <br /> LCS Result - <br /> LCS % Recov - - - <br /> MS/MSD <br /> LCS 71-133 72-128 72-130 71-120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike Is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> 01rc cQa� the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> Interference,the LCS recovery Is to be used to validate the batch <br /> Vickie Tague Clark <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9502146 CAN <1> <br />